Transaction not yet indexed

55LfLUMVsQSJtSFk2TSaSsobAjAVFjkZjzaiqotCq21eeXPDLhJCZ6K3h1bM1PU64VbcCbuBZuhtRrbJTxNc7ZVm

The transaction signature is valid but not yet indexed by this RPC node, or the transaction failed before inclusion.